<template>
    <div class="login_container">
        <div class="login_box">
            <!-- 头像区域 -->
            <div class="avatar_box">
                <img src="../assets/logo.png" alt="">
            </div>
            <!-- 登录表单区域 -->
            <el-form ref='FormloginRef' :model="Formlogin" :rules="FormloginRules" label-width="0px" class="form_login">
                <!-- 用户名 -->
                <el-form-item prop='username'>
                    <el-input v-model="Formlogin.username" prefix-icon="iconfont icon-user"></el-input>
                </el-form-item>
                <!-- 密码 -->
                <el-form-item prop='password'>
                    <el-input type="text" v-model="Formlogin.password" prefix-icon="iconfont icon-3702mima"></el-input>
                </el-form-item>
                <!-- 按钮 -->
                <el-form-item class="btns">
                    <el-button type="primary" v-on:click='login'>登录</el-button>
                    <el-button type="info" v-on:click='restFormlogin'>重置</el-button>
                </el-form-item>
            </el-form>
        </div>
    </div>
</template>

<script>
export default {
  data() {
    return {
        // 双向绑定的表单数据
        Formlogin:{
            username:'admin',
            password:'123456'
        },
        // 表单的验证规则对象
        FormloginRules:{
            // 用户名的验证规则
            username:[
                { required: true, message: '请输入用户名称', trigger: 'blur' },
                { min: 3, max: 5, message: '长度在 3 到 5 个字符', trigger: 'blur' }
            ],
            // 密码的验证规则
            password:[
                { required: true, message: '请输入用户密码', trigger: 'blur' },
                { min: 6, max: 16, message: '长度在 6 到 16 个字符', trigger: 'blur' }
            ]
        }
    };
  },
  created() {},
  mounted() {},
  methods: {
      restFormlogin:function(){
          //console.log(this);
          this.$refs.FormloginRef.resetFields()
      },
      login:function(){
          this.$refs.FormloginRef.validate(async valid => {
                if(!valid) return 
                const {data:res} = await this.$http.post('login',this.Formlogin)
                if(res.meta.status !== 200) return this.$message.error('登录失败')
                this.$message.success('登录成功')
                // 保存服务器返回的token
                window.sessionStorage.setItem('token',res.data.token)
                // 登录成功以后利用编程式导航跳转到home页面
                this.$router.push('/home')
                

          })
      }
  },
};
</script>

<style scoped lang="less">
.login_container {
  background-color: #2b4b6b;
  height: 100%;
}
.login_box {
  width: 450px;
  height: 300px;
  background-color: #fff;
  border-radius: 3px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);

  .avatar_box {
    width: 130px;
    height: 130px;
    border: 1px solid #eeeeee;
    border-radius: 50%;
    padding: 10px;
    box-shadow: 0 0 10px #ddd;
    position: absolute;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #fff;
    img {
      width: 100%;
      height: 100%;
      border-radius: 50%;
      background-color: #eeeeee;
    }
  }
}

.form_login{
    position: absolute;
    bottom: 0;
    width: 100%;
    padding: 20px;
    box-sizing: border-box;
    
}
.btns{
    display: flex;
    justify-content: flex-end;
}

</style>

